<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域-->
      <div class="av_box">
        <img src="../assets/logo.png">
      </div>
      <!--表单区域-->
      <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRule" label-width="0px" class="login_form">
        <el-form-item prop="userName">
          <el-input v-model="loginForm.username" prefix-icon="el-icon-search"></el-input>
        </el-form-item>
        <el-form-item prop="passWord">
          <el-input type="password" v-model="loginForm.password"></el-input>
        </el-form-item>
        <el-form-item class="btn">
          <el-button type="primary" @click="login">登陆</el-button>
          <el-button type="info" @click="reset">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Login',
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginFormRule: {
        username: [
          {
            required: true,
            message: '请输入账号',
            trigger: 'blur'
          },
          {
            min: 3,
            max: 5,
            message: '长度在 3 到 5 个字符',
            trigger: 'blur'
          }
        ],
        password: [
          {
            required: true,
            message: '请输入密码',
            trigger: 'blur'
          },
          {
            min: 3,
            max: 5,
            message: '长度在 3 到 5 个字符',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  methods: {
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登陆失败')
        this.$message.success('登陆成功')
        console.log(res)
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    },
    reset () {
      this.$refs.loginFormRef.resetFields()
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: skyblue;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 5px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.av_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;

  img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}

.btn {
  display: flex;
  justify-content: flex-end;
}
</style>
